International Association of Ultrarunners
The Taubertal 50 km, 100 km and 100 miles are IAU Bronze Label races.
The 100 miles are best performance approved for world records
German Runner Association DLV
The Taubertal 100 is a DLV 'approved race' with approved meassured distance for 50km, 100km and 100 miles.
Biel Taubertal Challenge:
2 x 100 km in Switzerland and Germany
Instagramm: Taubertal 100